在我的应用程序中，我有标签并且与片段相关。我的应用程序在potrait模式下正常工作但是当我将方向更改为横向模式应用程序正在崩溃。
我该怎么做才能使我的应用在两个方向都能正常运行。
这是我的主要活动：
@TargetApi(Build.VERSION_CODES.HONEYCOMB)
public class MainActivity extends Activity {
public MainActivity() {
super();
// TODO Auto-generated constructor stub
}
RelativeLayout rl;
PopupWindow popUp;
LinearLayout layout;
TextView tv;
LayoutParams params;
LinearLayout mainLayout;
Button but;
boolean click = true;
ActionBar.Tab TabOrder , TabCart,TabHistory,TabDeals;
private String settingfirstname;
private List<SettingDetail> settinglistdetail;
@TargetApi(Build.VERSION_CODES.HONEYCOMB)
@SuppressLint("NewApi")
@Override
public void onCreate(Bundle savedInstanceState) {
setContentView(R.layout.activity_main);
getOverflowMenu();
rl = (RelativeLayout) findViewById(R.id.mainLayout);
ActionBar actionbar = getActionBar();
actionbar.setTitle("Select To Order");
actionbar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
TabDeals = actionbar.newTab().setText("DEALS");
TabOrder = actionbar.newTab().setText("ORDER");
TabCart = actionbar.newTab().setText("CART");
TabHistory = actionbar.newTab().setText("HISTORY");
Fragment FragmentDeals = new FragmentDeals();
Fragment FragmentOrder = new FragmentOrder();
Fragment FragmentCart = new FragmentCart();
Fragment FragmentHistory = new FragmentHistory();
TabDeals.setTabListener(new MyTablistenerClass(FragmentDeals));
TabOrder.setTabListener(new MyTablistenerClass(FragmentOrder));
TabCart.setTabListener(new MyTablistenerClass(FragmentCart));
TabHistory.setTabListener(new MyTablistenerClass(FragmentHistory));
actionbar.addTab(TabDeals);
actionbar.addTab(TabOrder);
actionbar.addTab(TabCart);
actionbar.addTab(TabHistory);
// //for pop up window
// AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(
// MainActivity.this);
//
// // set title
// //alertDialogBuilder.setTitle("Your Title");
//
// // set dialog message
// alertDialogBuilder
// .setMessage("Do You want to switch to Scan using QR code?")
// .setCancelable(false)
// .setPositiveButton("Yes",new DialogInterface.OnClickListener() {
// public void onClick(DialogInterface dialog,int id) {
// // if this button is clicked, close
// // current activity
// MainActivity.this.finish();
// }
// })
// .setNegativeButton("No",new DialogInterface.OnClickListener() {
// public void onClick(DialogInterface dialog,int id) {
// // if this button is clicked, just close
// // the dialog box and do nothing
// dialog.cancel();
// }
// });
//
// // create alert dialog
// AlertDialog alertDialog = alertDialogBuilder.create();
//
// // show it
// alertDialog.show();
// FragmentOrder Fram1;
// FragmentHistory Fram2;
DatabaseManager db = new DatabaseManager(MainActivity.this);
settinglistdetail = db.getAllSettingsDetailfirstname();
for (SettingDetail d : settinglistdetail) {
settingfirstname = d.getFirstname();
}
Toast.makeText(MainActivity.this, "settingfirstname : " + settingfirstname, Toast.LENGTH_LONG).show();
//DatabaseManager db = new DatabaseManager(MainActivity.this);
ProductDetail p = new ProductDetail();
p.setProductid(001);
p.set_name("abc");
p.setImage(null);
p.setPrice(123);
p.setQuantity(2);
//db.insertProductDetail(p);
ProductDetail p1 = new ProductDetail();
p1.setProductid(002);
p1.set_name("xyz");
p1.setImage(null);
p1.setPrice(345);
p1.setQuantity(2);
//db.insertProductDetail(p1);
ProductDetail p2 = new ProductDetail();
p2.setProductid(003);
p2.set_name("ghi");
p2.setImage(null);
p2.setPrice(678);
p2.setQuantity(2);
//db.insertProductDetail(p2);
ProductDetail p3 = new ProductDetail();
p3.setProductid(004);
p3.set_name("mno");
p3.setImage(null);
p3.setPrice(789);
p3.setQuantity(2);
//db.insertProductDetail(p3);
ScanId i = new ScanId();
i.setScanid(1);
//db.insertScanId(i);
SettingDetail s1 = new SettingDetail();
s1.setFirstname("sweety");
s1.setLastname("yede");
s1.setPhonenumber(957983914);
s1.setEmailaddress("sweety.yede@gmail.com");
s1.setAddressline1("flatno.1");
s1.setAddressline2("wadgaonsheri");
s1.setLocality("WadgaonSheri");
s1.setCity("Pune");
s1.setPincode(411056);
//db.insertSettingsDetail(s1);
SettingDetail s2 = new SettingDetail();
s2.setFirstname("priti");
s2.setLastname("yede");
s2.setPhonenumber(957983914);
s2.setEmailaddress("sweety.yede@gmail.com");
s2.setAddressline1("flatno.1");
s2.setAddressline2("wadgaonsheri");
s2.setLocality("WadgaonSheri");
s2.setCity("Pune");
s2.setPincode(411056);
//db.insertSettingsDetail(s2);
SettingDetail s3 = new SettingDetail();
s3.setFirstname("nikhil");
s3.setLastname("waghaye");
s3.setPhonenumber(957983914);
s3.setEmailaddress("sweety.yede@gmail.com");
s3.setAddressline1("flatno.1");
s3.setAddressline2("wadgaonsheri");
s3.setLocality("WadgaonSheri");
s3.setCity("Pune");
s3.setPincode(411056);
//db.insertSettingsDetail(s3);
init();
super.onCreate(savedInstanceState);
}
public void init() {
// TODO Auto-generated method stub
}
public void getOverflowMenu() {
try {
ViewConfiguration config = ViewConfiguration.get(this);
Field menuKeyField = ViewConfiguration.class.getDeclaredField("sHasPermanentMenuKey");
if(menuKeyField != null) {
menuKeyField.setAccessible(true);
menuKeyField.setBoolean(config, false);
}
} catch (Exception e) {
e.printStackTrace();
}
}
@SuppressLint({ "ValidFragment", "NewApi" })
public class FragmentOrder extends Fragment{
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
//View view = inflater.inflate(R.layout.g, null);
View view = inflater.inflate(R.layout.gridview,null);
final GridView listView = (GridView) view.findViewById(R.id.mainGrid);
listView.setAdapter(new OrderAdapter());
//listView.setSelection(setselected,true);
// listView.setChoiceMode(GridView.CHOICE_MODE_MULTIPLE_MODAL);
//
// listView.setMultiChoiceModeListener(new MultiChoiceModeListener() {
//
//
// @Override
// public boolean onActionItemClicked(ActionMode mode,
// MenuItem item) {
// // TODO Auto-generated method stub
// return true;
// }
//
// @Override
// public boolean onCreateActionMode(ActionMode mode, Menu menu) {
// mode.setTitle("Select Items");
// mode.setSubtitle("One item selected");
// return true;
//
// }
//
// @Override
// public void onDestroyActionMode(ActionMode mode) {
// // TODO Auto-generated method stub
//
// }
//
// @Override
// public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
// // TODO Auto-generated method stub
// return false;
// }
//
// @Override
// public void onItemCheckedStateChanged(ActionMode mode,
// int position, long id, boolean checked) {
//
// //listView.setLongClickable(false);
// int selectCount = listView.getCheckedItemCount();
// switch (selectCount) {
// case 1:
// mode.setSubtitle("One item selected");
// break;
// default:
// mode.setSubtitle("" + selectCount +"items selected");
// break;
listView.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1,
int arg2, long arg3) {
// TODO Auto-generated method stub
}
});
return view;
}
}
public class OrderAdapter extends BaseAdapter {
@Override
public int getCount() {
return mThumbIds.length;
}
@Override
public Object getItem(int position) {
return null;
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return 0;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
//CheckableLayout l;
View myView = convertView;
LayoutInflater inflater = (LayoutInflater)MainActivity.this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
myView = inflater.inflate(R.layout.grid_items_ontap, null);
// Add The Image!!!
ImageView iv = (ImageView)myView.findViewById(R.id.grid_item_image_OnTap);
iv.setImageResource(mThumbIds[position]);
// Add The Text!!!
TextView tv = (TextView)myView.findViewById(R.id.grid_item_text_onTap);
tv.setText(names[position] );
return myView;
}
}
private Integer[] mThumbIds = {
R.drawable.car, R.drawable.car,
R.drawable.car, R.drawable.car,
R.drawable.car
};
private String[] names={"Vegetable","Fruits","Groceries","ij","kl"};
@SuppressLint("ValidFragment")
public class FragmentHistory extends Fragment{
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View layout = inflater.inflate(R.layout.activity_fragmenthistory,
(ViewGroup)
findViewById(R.id.layout_root_history));
ListView lv = (ListView) layout.findViewById(R.id.listViewHistory);
lv.setAdapter(new HistoryListViewAdapter(MainActivity.this));
lv.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View view, int position,
long id) {
// TODO Auto-generated method stub
AlertDialog.Builder dlg = new AlertDialog.Builder(MainActivity.this);
dlg.setTitle("ORDERID");
dlg.setPositiveButton("REORDER",new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
}
})
.setNegativeButton("EDIT AND ORDER", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
}
});
ListView listView = new ListView(MainActivity.this);
listView.setAdapter(new DialogListAdapter(MainActivity.this));
dlg.setView(listView);
//((Dialog) dlg).setCanceledOnTouchOutside(true);
// show it
dlg.show();
}
});
return layout;
}
}
@SuppressLint("ValidFragment")
public class FragmentCart extends Fragment{
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View layout = inflater.inflate(R.layout.activity_fragmentcart,
(ViewGroup)
findViewById(R.id.layout_root_cart));
ListView lv = (ListView) layout.findViewById(R.id.listViewCart);
lv.setAdapter(new CartListViewAdapter(MainActivity.this));
//lv.invalidateViews();
// ActionBar actionBar = getActionBar();
// setHasOptionsMenu(true);
// actionBar = ((ActionBarActivity)getActivity()).getSupportActionBar();
return layout;
}
}
@SuppressLint("ValidFragment")
public class FragmentDeals extends Fragment implements Checkable{
private boolean mChecked;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View layout = inflater.inflate(R.layout.fragmentdeal,
(ViewGroup)
findViewById(R.id.layoutdeal));
//View view = inflater.inflate(R.layout.griddeal,null);
final GridView mGrid = (GridView) layout.findViewById(R.id.GridDeal);
mGrid.setAdapter(new DealAdapter());
mGrid.setChoiceMode(GridView.CHOICE_MODE_MULTIPLE_MODAL);
mGrid.setMultiChoiceModeListener(new MultiChoiceModeListener() {
@Override
public boolean onActionItemClicked(ActionMode mode,
MenuItem item) {
// TODO Auto-generated method stub
return true;
}
@Override
public boolean onCreateActionMode(ActionMode mode, Menu menu) {
mode.setTitle("Select Items");
mode.setSubtitle("One item selected");
return true;
}
@Override
public void onDestroyActionMode(ActionMode mode) {
// TODO Auto-generated method stub
}
@Override
public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
// TODO Auto-generated method stub
return false;
}
@Override
public void onItemCheckedStateChanged(ActionMode mode,
int position, long id, boolean checked) {
//listView.setLongClickable(false);
int selectCount = mGrid.getCheckedItemCount();
switch (selectCount) {
case 1:
mode.setSubtitle("One item selected");
break;
default:
mode.setSubtitle("" + selectCount +"items selected");
break;
}
}
});
return layout;
// TODO Auto-generated method stub
}
@Override
public boolean isChecked() {
// TODO Auto-generated method stub
return mChecked;
}
@SuppressWarnings("deprecation")
@Override
public void setChecked(boolean checked) {
// TODO Auto-generated method stub
mChecked = checked;
layout.setBackgroundDrawable(checked ? getResources().getDrawable(
R.drawable.bground) : null);
}
@Override
public void toggle() {
// TODO Auto-generated method stub
setChecked(!mChecked);
}
}
private class DealAdapter extends BaseAdapter {
@Override
public int getCount() {
return mThumbIds1.length;
}
@Override
public Object getItem(int position) {
return null;
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return 0;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
//CheckableLayout l;
View myView = convertView;
LayoutInflater inflater = (LayoutInflater)MainActivity.this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
myView = inflater.inflate(R.layout.griddealitems, null);
// Add The Image!!!
ImageView iv = (ImageView)myView.findViewById(R.id.grid_deal_image);
iv.setImageResource(mThumbIds1[position]);
// Add The Text!!!
TextView tv = (TextView)myView.findViewById(R.id.grid_deal_text);
tv.setText(names1[position] );
return myView;
}
private Integer[] mThumbIds1= {
R.drawable.car, R.drawable.car,
R.drawable.car, R.drawable.car,
R.drawable.car,R.drawable.car,R.drawable.car,R.drawable.car, R.drawable.car,
R.drawable.car, R.drawable.car,
R.drawable.car,R.drawable.car,R.drawable.car
};
private String[] names1={"ab","cd","ef","gh","ij","kl","mn","","","","","","",""};
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.main, menu);
return true;
// if (menu.getItemId()==FragmentCart) {
// //Log.e(TAG, " - onCreateOPTIONMenu");
// inflater.inflate(R.menu.fragmentcart, menu);
// MenuItem cancel = menu.findItem(R.id.cancel_booking_accepted);
// //cancel.getIcon().setAlpha(Constants.ENABLED_OPACITY);
// //menu.findItem(R.id.my_trips_switch).getIcon().setAlpha(Constants.ENABLED_OPACITY);
// }
}
public boolean onOptionsItemSelected(MenuItem item){
switch(item.getItemId()){
case R.id.action_settings:
Intent intentForSettings = new Intent(MainActivity.this, SettingsMenu.class);
startActivity(intentForSettings);
return true;
case R.id.action_info:
Intent intentForInformation = new Intent(MainActivity.this,InformationMenu.class);
startActivity(intentForInformation);
return true;
case R.id.action_ContactUs:
Intent dial = new Intent();
String no = "9579839314";
dial.setAction("android.intent.action.DIAL");
dial.setData(Uri.parse("tel:"+ no));
startActivity(dial);
return true;
}
return false;
}
public class MyTablistenerClass implements android.app.ActionBar.TabListener {
Fragment fragment1;
@SuppressLint("NewApi")
public MyTablistenerClass(Fragment fragment){
this.fragment1 = fragment;
}
@Override
public void onTabReselected(Tab tab, FragmentTransaction ft) {
// TODO Auto-generated method stub
}
@SuppressLint("NewApi")
@Override
public void onTabSelected(Tab tab, FragmentTransaction ft) {
// TODO Auto-generated method stub
FragmentTransaction fragMentTra;
if (tab.getText().equals("DEALS")) {
try {
rl.removeAllViews();
} catch (Exception e) {
}
ActionBar actionBar = getActionBar();
actionBar.show();
actionBar.setTitle("Deals");
FragmentDeals Fram1 = new FragmentDeals();
//fragMentTra.addToBackStack(null);
fragMentTra = getFragmentManager().beginTransaction();
fragMentTra.add(rl.getId(), Fram1);
fragMentTra.commit();
}
else if (tab.getText().equals("ORDER")) {
try {
rl.removeAllViews();
} catch (Exception e) {
}
ActionBar actionBar = getActionBar();
actionBar.show();
actionBar.setTitle("Select Category");
//actionBar.setIcon(R.id.search);
FragmentOrder Fram2 = new FragmentOrder();
//fragMentTra.addToBackStack(null);
fragMentTra = getFragmentManager().beginTransaction();
fragMentTra.add(rl.getId(), Fram2);
fragMentTra.commit();
}
else if(tab.getText().equals("CART")){
try {
rl.removeAllViews();
} catch (Exception e) {
}
ActionBar actionBar = getActionBar();
actionBar.show();
actionBar.setTitle("Shopping Cart");
FragmentCart fram3 = new FragmentCart();
//fragMentTra.addToBackStack(null);
fragMentTra = getFragmentManager().beginTransaction();
fragMentTra.add(rl.getId(), fram3);
fragMentTra.commit();
}
else if(tab.getText().equals("HISTORY")){
try {
rl.removeAllViews();
} catch (Exception e) {
}
ActionBar actionBar = getActionBar();
actionBar.show();
actionBar.setTitle("History");
FragmentHistory fram4 = new FragmentHistory();
//fragMentTra.addToBackStack(null);
fragMentTra = getFragmentManager().beginTransaction();
fragMentTra.add(rl.getId(), fram4);
fragMentTra.commit();
}
}
@Override
public void onTabUnselected(Tab tab, FragmentTransaction ft) {
}
}
}
这是我得到的错误。
11-12 14:06:06.700: E/AndroidRuntime(27733): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.scantoorder1/com.example.scantoorder1.MainActivity}: android.app.Fragment$InstantiationException: Unable to instantiate fragment com.example.scantoorder1.MainActivity$FragmentDeals: make sure class name exists, is public, and has an empty constructor that is public
11-12 14:06:06.700: E/AndroidRuntime(27733): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2355)
11-12 14:06:06.700: E/AndroidRuntime(27733): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2391)
感谢。
答案 0 :(得分：4)
在你的清单中尝试这个..
<activity
android:name="YourActivityName"
android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|uiMode|screenSize|smallestScreenSize"
android:windowSoftInputMode="adjustPan">
</activity>